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Find the Directional Derivative Of f(x,y)=x2−3xy+2y2f ( x , y ) = x ^ { 2 } - 3 x y + 2 y ^ { 2 }

Question 242

Short Answer

Find the directional derivative of f(x,y)=x2−3xy+2y2f ( x , y ) = x ^ { 2 } - 3 x y + 2 y ^ { 2 } at (−1,2)( - 1,2 ) in the direction of i+3j\mathbf { i } + \sqrt { 3 } \mathbf { j }

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